Q2: Crates A and B mass 50 kg and 25 kg, respectively. If they start from rest, determine their speed when (t = 7 sec). Also, find the force exerted by crate A on crate B during the motion. The coefficient of kinetic friction between the crates and the ground is pk = 0.3. See figure (2) B P =200 N
Q2: Crates A and B mass 50 kg and 25 kg, respectively. If they start from rest, determine their speed when (t = 7 sec). Also, find the force exerted by crate A on crate B during the motion. The coefficient of kinetic friction between the crates and the ground is pk = 0.3. See figure (2) B P =200 N
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...
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